ON TWO OCCASSIONS ( APRIL AND JUNE 2003) MY 1994 HONDA ACCORD EX ROLLED BACKWARDS FROM MY DRIVEWAY. AFTER SECOND EVENT VEHICLE WAS TAKEN TO DEALER AND IT WAS DETERMINED THAT THE KEY LOCK CYLINDER WAS DEFECTIVE LETTING KEY RELEASE IN ANY POSITION. THE IGNITION LOCK CYLINDER WAS REPLACED. EACH TIME THER WAS PROPERTY DAMAGE ALL WELL AS COST TO CURE THE DEFECT.